Peterbilt Air Ride Heights wiring diagrams
14-96R
FIELD SERVICE
BULLETIN
Date: April 7, 2004
File Group: 03 Section: Rear Suspension
ATTENTION: Service Manager
Peterbilt Air Suspension Ride Heights
This bulletin is applicable to all vehicles equipped with proprietary rear air suspensions.
The table below provides ride heights for ready reference. Ride height is defined as the
vertical distance from the center of the drive axle hub to the underside of the frame rail
(see Figure 1 below). It is measured forward of the axle, but not forward of the suspension bracket, on single-axle suspensions, and at the centerline of tandem-axle suspensions (as shown in Figure 1). Ride height is adjustable using the ride height gauge shown
in F.S.B. #3-00R or F.S.B. #6-01R.
Proprietary Rear Air Suspension
Air Leaf N/A 11.70 (297)
Air Trac 11.00 (279) 11.00 (279)
Low Air Leaf (before 4/5/04) 8.50 (216) 8.50 (216)
Low Air Leaf (on and after 4/5/04) 6.50 (165) 8.50 (216)
Low Low Air Leaf N/A 6.50 (165)
FLEX Air N/A 8.50 (216)
Ride Height [inches (mm)]
Single Drive Tandem Drive
Distribution Copy:
✓Dealer Principal
✓Warranty Manager
✓Parts Manager
✓Sales Manager
Figure 1 Illustration of Measuring Ride Height on a Tandem Suspension
This bulletin supersedes F.S.B. #14-96R dated March 30, 2001.
Indicates revision
PS803031 F.S.B. # 14-96R Page 1 of 1
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